David Steffen holds a BA in Political Science from the University of Wisconsin–Madison, obtained in 1995. He began his career in the private sector and later transitioned into lobbying. Steffen has held various leadership roles, including serving on the Howard, Wisconsin board of trustees and the Brown County board of Supervisors. He has also been involved in significant infrastructure projects, such as the $295 million expansion of Lambeau Field, and has introduced legislation aimed at public safety and governance. Steffen has held advisory and leadership positions in multiple organizations, including the McPherson Eye Research Institute and the Green Bay Area Chamber of Commerce.

David Steffen's political identity is marked by a blend of regional economic interests and a staunch defense of public safety. His legislative efforts to expand Lambeau Field and protect police officers reveal an approach that balances local economic benefits with security concerns. Steffen's surprising willingness to dissolve the Lambeau Field Stadium District, later withdrawn due to stakeholder negotiations, indicates a strategic, interest-driven policymaking style. His involvement in contesting the 2020 presidential election results further underscores a commitment to electoral integrity that aligns with broader conservative movements.